Reflectix® ST16025 Double Reflective Insulation, 16" x 25'For a versatile insulation product, select Reflectix Insulation to help save energy costs throughout the home. Whether you use it in a crawl space, radiant floor, attic or walls, you'll find it easy to handle and install. Requires only basic tools a stapler, tape measure, utility knife, straight edge and safety glasses. 16 in. x 25 ft. Double Reflective insulation with staple tab Product has tabs on both sides for easy stapling to joists or studs